CN107831336A - A kind of hydrology flow measuring system based on PLC - Google Patents
A kind of hydrology flow measuring system based on PLC Download PDFInfo
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- CN107831336A CN107831336A CN201711019984.8A CN201711019984A CN107831336A CN 107831336 A CN107831336 A CN 107831336A CN 201711019984 A CN201711019984 A CN 201711019984A CN 107831336 A CN107831336 A CN 107831336A
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- plc
- system based
- measuring system
- adcp
- arm
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
- G01P5/241—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by using reflection of acoustical waves, i.e. Doppler-effect
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Aviation & Aerospace Engineering (AREA)
- Measuring Volume Flow (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses a kind of hydrology flow measuring system based on PLC, it includes：PLC, touch-screen, measurement shift knob, input module, output module, hydraulic manipulator and acoustics doppler flow speed section plotter ADCP；Touch-screen, input module, output module and ADCP electrically connect with PLC, measurement shift knob electrically connects with input module, hydraulic manipulator electrically connects with output module, ADCP measuring probe is arranged in hydraulic manipulator, PLC is electrically connected with the first power supply, input module is electrically connected with second source, and output module is electrically connected with the 3rd power supply.The system realizes the control to ADCP workflows by the combination of PLC and touch-screen, has the characteristics of control mode is simple, and measurement process is safe and efficient.
Description
Technical field
The present invention relates to hydrology current measured technology field, more particularly to a kind of hydrology flow measuring system based on PLC
Background technology
Acoustic Doppler fluid velocity profile instrument ADCP is a kind of new hydrology current measuring instrument, the quasi-instrument can realize fixed point,
Anchor system and aerial survey amount is walked, as long as ADCP measuring probe is put into water during measurement, flow velocity, flow direction with regard to a section can be measured
Data, if walking aerial survey amount, the measurement data with regard to a section can be obtained.The quasi-instrument one comes out, because it is convenient, light
Field operation, multi-functional data measurement, intuitively data processing the advantages that, win the welcome of users soon.
And existing its equipment of hydrology flow measuring system and control section are all buttons adds the connection of relay to realize,
And need that manually ADCP measuring probe is put into water when measuring.Therefore existing system has the following disadvantages：(1) manufactured
Complicated connection and loop break-make line substantially reduce the reliability of equipment in journey, while up to 30 intensive cloth of button
Put and big quantity space is taken on operating desk, hydrology flow measurement personnel is clicked on wrong or operational error and cause device damage or safety
Accident.(2) each flow measurement, ADCP measuring probe need manpower to be installed in the gun wale of surveying vessel, personal security by
Influence, it is possible to fallen into the unsteadiness of ship in river, while the measurement that the flow-disturbing of leaking water of ship also can be to ADCP produces interference.
The content of the invention
For above-mentioned problems of the prior art, the application provides a kind of hydrology flow measuring system based on PLC, and this is
System realizes the control to ADCP workflows by the combination of PLC and touch-screen, has control mode simple, measurement process is pacified
The characteristics of overall height is imitated.
The hydrology flow measuring system based on PLC includes：PLC, touch-screen, measurement shift knob, input module, output mould
Block, hydraulic manipulator and acoustics doppler flow speed section plotter ADCP；
The touch-screen, input module, output module and ADCP electrically connect with the PLC, the measurement shift knob
Electrically connected with the input module, the hydraulic manipulator electrically connects with the output module, the measuring probe peace of the ADCP
In the hydraulic manipulator, the PLC is electrically connected with the first power supply, and the input module is electrically connected with second source, institute
State output module and be electrically connected with the 3rd power supply；
The touch-screen and the measurement shift knob are used for the control signal for receiving user's input, and the control is believed
The PLC number is conveyed to, the input module is used for the level that external input signal is converted into being available for the PLC inter-process
Signal, and the level signal is conveyed to the PLC, the data signal that the output module is used to export the PLC turns
It is changed to analog signal and exports, the hydraulic manipulator is used to drive the measuring probe of the ADCP to enter or leave measurement water
Domain.
Alternatively, the hydraulic manipulator include horizontally disposed principal arm, with the principal arm pivot joint folded arm and with institute
State the measuring arm of the flexible connection of folded arm；
The folded arm includes being bonded with principal arm folding and two states vertical with the principal arm, the survey of the ADCP
Amount probe is installed in the bottom of the measuring arm.
Alternatively, the programmable logic controller (PLC) PLC is FX3U-32MT types PLC.
Alternatively, the touch-screen is DOP-B07S411 type touch-screens.
Alternatively, the touch-screen turns AVI interfaces and PLC communications by RS232.
Alternatively, the input module is FX2N-8EX type expansion modules.
Alternatively, the output module is FX2N-2DA type expansion modules.
Alternatively, first power supply is made up of 220V AC powers and 24V dc sources.
Alternatively, the second source is 24 dc sources.
Alternatively, the 3rd power supply is 24V dc sources.
The present invention controls acoustic Doppler fluid velocity profile instrument ADCP workflow by PLC, and passes through touch-screen
To realize man-machine interaction, so as to effectively reduce the quantity of control button so as to ADCP control process more efficiently just
It is prompt.ADCP measuring probe is driven by hydraulic manipulator simultaneously, avoiding manually installed ADCP measuring probe may make
Into the problem of personnel's personal safety, and hydraulic manipulator causes ADCP measuring probe away from hull, to avoid leaking water for ship
Measurement of the flow-disturbing to ADCP produces interference.
Brief description of the drawings
Fig. 1 is the structured flowchart for the hydrology flow measuring system based on PLC that first embodiment of the invention provides.
Description of reference numerals：
101：PLC, 102：Touch-screen, 103：Measurement shift knob, 104：Input module,
105：Output module, 106：Hydraulic manipulator, 107：ADCP, 108：First power supply,
109：Second source, 110：3rd power supply.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
Referring to Fig. 1, Fig. 1 shows the structure of the hydrology flow measuring system 100 based on PLC of first embodiment of the invention
Block diagram, it is somebody's turn to do the hydrology flow measuring system 100 based on PLC and specifically includes following structure：
Programmable logic controller (PLC) PLC101, touch-screen 102, measurement shift knob 103, input module 104, output mould
Block 105, hydraulic manipulator 106 and acoustics doppler flow speed section plotter ADCP107.Wherein touch-screen 102, input module 104, defeated
Go out module 105 and ADCP107 electrically connects with PLC101, measurement shift knob 103 electrically connects with input module 104, hydraulic press
Tool arm 106 is electrically connected with output module 105, and ADCP107 measuring probe is arranged in hydraulic manipulator 106, and PLC101 is electrically connected
The first power supply 108 is connected to, input module 104 is electrically connected with second source 109, and output module 105 is electrically connected with the 3rd power supply
110。
Touch-screen 102 is used for the control signal for receiving user's input, and control signal is conveyed into PLC101, input module
104 for external input signal to be converted into being available for the level signal of PLC101 inter-process, and level signal is conveyed to
PLC101, output module 105 are used to the data signal of PLC101 outputs being converted to analog signal and exported, hydraulic manipulator
106 are used to drive ADCP107 measuring probe to enter or leave measurement waters.
Control for ADCP107 workflows is mainly realized by PLC101, and the input of control signal is mainly led to
Touch-screen 102 is crossed to input, except of course that outside touch-screen 102, for some behaves of meeting an urgent need, user can also switch by measuring
Button 103 inputs, wherein measurement shift knob 103 includes the button that emergency flight control flow measurement probe rises, declines and stopped, with
And the controlled motor in the power load button and hydraulic manipulator 106 of the Oil pump electrical machinery in control hydraulic manipulator 106 turns to
With the Frequency Converter Control button of rotating speed.
Specifically, the PLC101 during itself is asked is FX3U-32MT type PLC, and first power supply 108 for its power supply is handed over by 220V
Power supply and 24V dc sources composition are flowed, namely the PLC101 needs by 220V AC powers and 24V dc sources while is
It is powered.Touch-screen 102 is DOP-B07S411 type touch-screens, and it turns AVI interfaces by RS232 and communicated with PLC101.As
The input module 104 of PLC101 expansion modules is FX2N-8EX type expansion modules, and output module 105 is FX2N-2DA type expanded modes
Block.Wherein input module 104 and output module 105 are powered by independent 24V dc sources respectively, namely second source 109
It is 24V dc sources with the 3rd power supply 110, the mode that input module 104 and output module 105 are independently powered can be with
To reduce output module 105, mainly interference of the inductive load to input module 104.
The function of input module 104 is mainly to detect the input signal for carrying out measurement shift knob 103, and by input signal
It is converted into being available for the level signal of PLC101 inter-process.Then the level signal exported PLC101 by output module 105 turns
Change the power on signal that can be matched with external loading into.
Hydraulic manipulator 106 is arranged on the hull of surveying vessel, and it includes horizontally disposed principal arm, folded with what principal arm was pivotally connected
Arm and the measuring arm with the flexible connection of folded arm；Principal arm provides power by telescope motor and realizes what is stretched out and withdraw from hull
Action, fold arm by hydraulic pump provide power realize with the folding and expansion of principal arm, it include being bonded with principal arm folding and with master
The vertical two states of arm, measuring arm realize and fold by lifting motor it is flexible between arm, so as to drive installed in its bottom
Measuring probe stretches into measurement waters and extracted out from measurement waters.PLC101 is by controlling telescope motor, lifting motor and hydraulic pump
Oil pump electrical machinery operating and by controlling relay in hydraulic manipulator 106 to realize that the break-make of corresponding magnetic valve is realized pair
The control that the flow direction and telescope motor of hydraulic oil, lifting motor turn to, so as to realize the control acted to hydraulic manipulator 106.
And telescope motor and lifting motor are connected to corresponding frequency converter and rotary encoder in the present embodiment.System
During system work, PLC101 realizes the regulation of corresponding motor speed by frequency converter and rotary encoder, such as lifting motor is turned
The regulation of speed is as follows：PLC101 exports set-point to lifting motor by output module 105, and then the value and lifting motor are connected
The value of feedback of the rotary encoder connect is compared, and is determined according to difference according to certain algorithm to the frequency converter of lifting motor
Controlled quentity controlled variable, then run by the Frequency Converter Control lifting motor.Realize the regulation to lifting motor speed, wherein rotary encoder
Pulse frequency the tachometer value of respective motor is shown.
Frequency Converter Control, which corresponds to motor operation, three kinds of modes：The control of frequency converter panel and keypad, external analog input AVI
Control and standard traffic 485 Interface Controller, three kinds of modes.What is used in the present embodiment exports Analog control for PLC101, becomes
Frequency device controls running status by external analog input AVI, and its incoming frequency is controlled by connected potentiometer RW1, leads to
Overregulate RW1, thus it is possible to vary the incoming frequency of corresponding frequency converter, so as to change the rotating speed of corresponding motor.And the operation of motor and
Stopping then being controlled by outside input analog signal.
The action control mainly stretching withdrawal including principal arm to hydraulic manipulator 106, folds the opening withdrawal of arm, folds arm
8 actions are withdrawn in locking unblock and the stretching of measuring arm.Additionally include to folded arm locking therein and the delay of unlocking motion
Control, the relay for specially locking and unlocking folded arm realize the delay for having 3 seconds.The principal arm for folding arm simultaneously stretches out, folds arm solution
Lock, folded arm are opened, folded arm locking, measuring arm are stretched out and measuring arm is withdrawn, folded arm unblock, folded arm are withdrawn, folded arm locking, principal arm are received
Reverse the sequential logic interlocking of work, namely user can only operate hydraulic manipulator 106 in the order described above, when sequence error,
Respective operations are invalid, so as to prevent mistake clicks on button from causing faulty operation, cause device damage or security incident.
Touch-screen 102 is divided for 3 switching interfaces, respectively measuring arm in control hydraulic manipulator 106 in operating process
The operation button of raising and lowering and show the interface of each device working condition, control the principal arm of hydraulic manipulator 106 stretch out and
The operation button interface of withdrawal and the operation interface to the control of the rotating speed of lifting motor and telescope motor.Wherein touch-screen 102
Introducing and use so that user operation it is more directly perceived, the running status of each equipment is also become more apparent upon, so that user can
More easily to use PLC101 controls ADCP107 various functions, while also leave more skies for various extensions from now on
Between and leeway.
The principal arm of hydraulic manipulator 106 is controlled to stretch out during use first, the then folded locking between arm and principal arm of unblock, and
The folded arm of control is opened, vertical between arm and principal arm until folding, and now locks folded arm and principal arm, then controls measuring arm to the water surface
Stretch out, until measuring probe is sent into precalculated position.Measuring arm is withdrawn after being measured, then unblock is folded between arm and principal arm
Locking, and control folded arm to be folded to principal arm, be bonded, now lock folded arm and principal arm, finally between arm and principal arm until folded
Principal arm is recovered in the hull of surveying vessel, so as to complete whole flow measurement work.
The present invention controls acoustic Doppler fluid velocity profile instrument ADCP workflow by PLC, and passes through touch-screen
To realize man-machine interaction, so as to effectively reduce the quantity of control button so as to ADCP control process more efficiently just
It is prompt.ADCP measuring probe is driven by hydraulic manipulator simultaneously, avoiding manually installed ADCP measuring probe may make
Into the problem of personnel's personal safety, and hydraulic manipulator causes ADCP measuring probe away from hull, to avoid leaking water for ship
Measurement of the flow-disturbing to ADCP produces interference.
It should be noted that herein, the appearance of " first ", " second ", it is only for make distinguish technical term and
Description is convenient, should not be construed as the restriction to the embodiment of the present invention.Term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or terminal device including a series of elements are not only wrapped
Those key elements, but also the other element including being not expressly set out are included, or is also included for this process, method, article
Or the key element that terminal device is intrinsic.In the absence of more restrictions, wanted by what sentence "including a ..." limited
Element, it is not excluded that other identical element in the process including the key element, method, article or terminal device also be present.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. hydrology flow measuring system based on PLC, it is characterised in that including：PLC, touch-screen, measurement shift knob, input Module, output module, hydraulic manipulator and acoustics doppler flow speed section plotter ADCP；The touch-screen, input module, output module and ADCP electrically connect with the PLC, the measurement shift knob and institute Input module electrical connection is stated, the hydraulic manipulator is electrically connected with the output module, and the measuring probe of the ADCP is arranged on In the hydraulic manipulator, the PLC is electrically connected with the first power supply, and the input module is electrically connected with second source, described defeated Go out module and be electrically connected with the 3rd power supply；The touch-screen and the measurement shift knob are used for the control signal for receiving user's input, and the control signal is defeated The PLC is given, the input module is used to be converted into being available for the level of the PLC inter-process to believe external input signal Number, and the level signal is conveyed to the PLC, the data signal that the output module is used to export the PLC is changed For analog signal and export, the hydraulic manipulator is used to drive the measuring probe of the ADCP to enter or leave measurement waters.
- 2. the hydrology flow measuring system based on PLC as claimed in claim 1, it is characterised in that the hydraulic manipulator includes water The flat principal arm set, the measuring arm with the folded arm of principal arm pivot joint and with the flexible connection of the folded arm；The folded arm includes being bonded with principal arm folding and two states vertical with the principal arm, the measuring probe of the ADCP Installed in the bottom of the measuring arm.
- 3. the hydrology flow measuring system based on PLC as claimed in claim 1, it is characterised in that the PLC is FX3U-32MT types PLC。
- 4. the hydrology flow measuring system based on PLC as claimed in claim 1, it is characterised in that the touch-screen is DOP- B07S411 type touch-screens.
- 5. the hydrology flow measuring system based on PLC as claimed in claim 4, it is characterised in that the touch-screen is turned by RS232 AVI interfaces communicate with the PLC.
- 6. the hydrology flow measuring system based on PLC as claimed in claim 3, it is characterised in that the input module is FX2N- 8EX type expansion modules.
- 7. the hydrology flow measuring system based on PLC as claimed in claim 3, it is characterised in that the output module is FX2N- 2DA type expansion modules.
- 8. the hydrology flow measuring system based on PLC as claimed in claim 3, it is characterised in that first power supply is handed over by 220V Flow power supply and 24V dc sources composition.
- 9. the hydrology flow measuring system based on PLC as claimed in claim 6, it is characterised in that the second source is 24 direct currents Power supply.
- 10. the hydrology flow measuring system based on PLC as claimed in claim 7, it is characterised in that the 3rd power supply is that 24V is straight Flow power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711019984.8A CN107831336B (en) | 2017-10-26 | 2017-10-26 | Hydrology flow measurement system based on PLC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711019984.8A CN107831336B (en) | 2017-10-26 | 2017-10-26 | Hydrology flow measurement system based on PLC |
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| Publication Number | Publication Date |
|---|---|
| CN107831336A true CN107831336A (en) | 2018-03-23 |
| CN107831336B CN107831336B (en) | 2020-07-07 |
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| CN201711019984.8A Active CN107831336B (en) | 2017-10-26 | 2017-10-26 | Hydrology flow measurement system based on PLC |
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